subject
Physics, 24.09.2019 02:30 biancatay

Atoy rocket is launched vertically from ground level (y = 0.00 m), at time t = 0.00 s. the rocket engine provides constant upward acceleration during the burn phase. at the instant of engine burnout, the rocket has risen to 78 m and acquired a velocity of 40 m/s. the rocket continues to rise in unpowered flight, reaches maximum height, and falls back to the ground with negligible air resistance. the speed of the rocket upon impact on the ground is closest to

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 07:00
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
Answers: 1
question
Physics, 22.06.2019 09:00
Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
question
Physics, 22.06.2019 10:00
Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages
Answers: 1
question
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
Answers: 1
You know the right answer?
Atoy rocket is launched vertically from ground level (y = 0.00 m), at time t = 0.00 s. the rocket en...
Questions
question
Biology, 30.09.2021 22:30
question
Mathematics, 30.09.2021 22:30
question
History, 30.09.2021 22:30
Questions on the website: 13722367